Winter Storm Warnings
December 18 2025
* WHAT...Snow. Additional snow accumulations up to 4 to 8 inches.
Winds gusting as high as 40 mph.
* WHERE...Cascades of Snohomish and Northern King Counties, Cascades
of Whatcom and Skagit Counties, Cascades of Pierce and Lewis
Counties, and Cascades of Southern King County.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be very difficult. Strong winds could cause
tree damage.
* ADDITIONAL DETAILS...Snow levels will increase later this morning
and afternoon to around 6000 feet, which could bring a brief
period of freezing rain. Confidence is low for freezing rain, but
the potential exists for light accumulations.
* WHAT...Snow expected above 3000 feet. Total snow accumulations
between 4 and 9 inches. Winds gusting as high as 45 mph.
* WHERE...Lookout Pass, Mullan, and Dobson Pass.
* WHEN...From noon today to 10 AM PST Friday.
* IMPACTS...Winter travel conditions expected. The hazardous
conditions could impact the Thursday evening and Friday morning
commutes. Gusty winds could bring down tree branches.
* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches.
Winds gusting as high as 40 mph.
* WHERE...Boulder Creek Road, Wauconda, Chesaw Road, Highway 20
Wauconda Summit, Republic, Sherman Pass, and Inchelium.
* WHEN...From 8 AM this morning to 10 PM PST this evening.
* IMPACTS...Winter travel conditions expected.
* WHAT...Snow expected above 2000 feet. Total snow accumulations
between 2 and 4 inches, except up 6 to 9 inches toward the upper
Methow Valley including Mazama. Winds gusting as high as 35 mph.
* WHERE...Conconully, Mazama, and Loup Loup Pass.
* WHEN...From 10 AM this morning to 10 PM PST this evening.
* IMPACTS...Winter travel conditions expected.
* ADDITIONAL DETAILS...Snow levels will increase Thursday morning to
early afternoon, which could bring a brief period of freezing rain
around the Wenatchee Valley. Confidence is low for freezing rain,
but the potential exists for a light glaze of ice.
* WHAT...Snow expected. Snow accumulations between 6 and 12 inches,
locally up to 18 inches. Winds gusting as high as 45 mph.
* WHERE...Stevens Pass, Holden Village, and Stehekin.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Travel could be very difficult. Strong winds could cause
tree damage.
* ADDITIONAL DETAILS...Snow levels will increase Thursday morning to
early afternoon, which could bring a brief period of freezing rain
before snow levels drop again through the evening. Confidence is
low for freezing rain, but the potential exists for a light glaze
of ice.
* WHAT...Snow expected. Total snow accumulations of up to 2 inches
below 4000 feet and 2 to 8 inches above 4000 feet. Winds gusting
as high as 40 mph.
* WHERE...Mountain Road, Cloverland Road, Peola, and Anatone.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be difficult.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
Cowlitz River Below Mayfield Dam affecting Lewis County.
.Rain is in the forecast today for 2 to 3 inches in the mountains.
This will not cause additional flooding and allow some rivers to
fall below flood stage. Dam operations to maintain a safe flood pool
for area dams could maintain elevated flow levels or they could
raise or lower levels downstream of the dams. Dam regulation can
change rapidly.
Rainfall yesterday and overnight is driving area rivers back up
with new rounds of flooding occurring or upcoming.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until late tomorrow evening.
* IMPACTS...At 16.5 feet, the Skokomish River will cause widespread
flooding of pasture lands, with water flowing quickly over West
Bourgault Road and Skokomish Valley Road.
* ADDITIONAL DETAILS...
- At 8:30 AM PST Thursday the stage was 17.3 feet.
- Flood stage is 16.5 feet.
- Forecast...The river will rise today to near 17.5 feet late
this afternoon then begin to recede. It will fall below flood
stage early tomorrow afternoon and continue to fall.
- http://www.weather.gov/safety/flood
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
Cowlitz River Below Mayfield Dam affecting Lewis County.
.Rain is in the forecast today for 2 to 3 inches in the mountains.
This will not cause additional flooding and allow some rivers to
fall below flood stage. Dam operations to maintain a safe flood pool
for area dams could maintain elevated flow levels or they could
raise or lower levels downstream of the dams. Dam regulation can
change rapidly.
Rainfall yesterday and overnight is driving area rivers back up
with new rounds of flooding occurring or upcoming.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Cowlitz River below Mayfield Dam.
* WHEN...Until further notice.
* IMPACTS...At 25,000.0 cfs, the Cowlitz River will flood the reach
from Mayfield Dam downstream through Toledo. Flood waters will
inundate some farmlands and several roads...mainly near Toledo.
* ADDITIONAL DETAILS...
- At 8:00 AM PST Thursday the flow was 28,700.0 cfs.
- Flood flow is 25,000.0 cfs.
- Recent Activity...The maximum river flow in the 24 hours
ending at 11:00 PM PST Tuesday was 28,700 cfs.
- Forecast...The river is expected to remain near 28,800 cfs
through the weekend.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Snoqualmie River Near Carnation affecting King County.
Snohomish River At Snohomish affecting Snohomish County.
.Rain is in the forecast today for 2 to 3 inches in the mountains.
This will not cause additional flooding and allow some rivers to
fall below flood stage.
* WHAT...Minor flooding is occurring.
* WHERE...Snohomish River at Snohomish.
* WHEN...Until late this evening.
* IMPACTS...At 25.0 feet, the Snohomish River will cause minor
flooding of lowlands not protected by levees and on the Old
Snohomish-Monroe highway. A stage of 25 feet on the Snohomish
River corresponds to a Phase 2 in the Snohomish County flood
program.
* ADDITIONAL DETAILS...
- At 7:00 AM PST Thursday the stage was 25.3 feet.
- Flood stage is 25.0 feet.
- Forecast...The river is falling and expected to fall below
flood stage later this morning.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Snoqualmie River Near Carnation affecting King County.
Snohomish River At Snohomish affecting Snohomish County.
.Rain is in the forecast today for 2 to 3 inches in the mountains.
This will not cause additional flooding and allow some rivers to
fall below flood stage.
* WHAT...Minor flooding is occurring.
* WHERE...Snoqualmie River near Carnation.
* WHEN...Until this evening.
* IMPACTS...At 54.0 feet, the Snoqualmie River will flood much of
the farm land and several roads from Fall City downstream through
Carnation and Duvall.
* ADDITIONAL DETAILS...
- At 6:15 AM PST Thursday the stage was 54.4 feet.
- Flood stage is 54.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 6:15 AM PST Thursday was 56.7 feet.
- Forecast...The river is falling and expected to fall below
flood stage later this morning.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Washington...
Skagit River Near Mt. Vernon affecting Skagit County.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Skagit River near Mt. Vernon.
* WHEN...Until tomorrow morning.
* IMPACTS...At 28.0 feet, the Skagit River will cause minor flooding
from Sedro Woolley downstream through Mount Vernon to the mouth...
with shallow flooding in low pasture lands and over a few
low-lying roads near the river. This level for this location on
the Skagit corresponds to a Phase 3 flood in the Skagit County
flood system.
* ADDITIONAL DETAILS...
- At 5:15 AM PST Thursday the stage was 29.7 feet.
- Flood stage is 28.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 5:15 AM PST Thursday was 30.9 feet.
- Forecast...The river is expected to continue to fall through
the day before falling below flood stage this evening. It
will continue to fall to 25.2 feet Sunday afternoon.
- http://www.weather.gov/safety/flood
...The Flood Warning continues for the following rivers in
Washington...
Cedar River At Renton affecting King County.
.Dam operations to maintain a safe flood pool for area dams could
maintain elevated flow levels or they could raise or lower levels
downstream of the dams. Dam regulation can change rapidly.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Cedar River at Renton.
* WHEN...Until further notice.
* IMPACTS...At 13.0 feet, the Cedar River will cause minor flooding
along the river in Renton.
* ADDITIONAL DETAILS...
- At 5:15 AM PST Thursday the stage was 14.0 feet.
- Flood stage is 13.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 5:15 AM PST Thursday was 14.5 feet.
- Forecast...The river is expected to fluctuate around 14.0
feet today, then slowly begin to recede for the next several
days.
- http://www.weather.gov/safety/flood
...The Flood Warning continues for the following rivers in
Washington...
Green River Near Auburn affecting King County.
.Dam operations to maintain a safe flood pool for area dams could
maintain elevated flow levels or they could raise or lower levels
downstream of the dams. Dam regulation can change rapidly.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Green River near Auburn.
* WHEN...Until further notice.
* IMPACTS...At 9,000.0 cfs, the Green River will flood low areas of
the middle Green River valley with water over SE Green Valley Rd.
Some backwater inundation is possible in lower Mill Creek basin
between Auburn and Kent. A flow of 9000 cfs feet on the Green
River corresponds to a phase 3 flood in the King County flood
system.
* ADDITIONAL DETAILS...
- At 4:45 AM PST Thursday the flow was 9,590.0 cfs.
- Flood flow is 9,000.0 cfs.
- Recent Activity...The maximum river flow in the 24 hours
ending at 4:45 AM PST Thursday was 9,600.0 cfs.
- Forecast...The river is expected to remain near 9,300 cfs
today then slowly drift lower over the next several days but
remain above flood flow.
- http://www.weather.gov/safety/flood
...The Flood Warning continues for the following rivers in
Washington...
Cedar River Near Landsburg affecting King County.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Cedar River near Landsburg.
* WHEN...Until early Sunday morning.
* IMPACTS...At 5.7 feet, the Cedar River will cause flooding from
Landsburg downstream through Maplewood. Swift waters will flood
roads and some residential areas, especially in Maple Valley.
Flooding threatens Beyers Road. A stage of 5.7 feet on the Cedar
River corresponds roughly to a phase 4 flood in the King County
flood system.
* ADDITIONAL DETAILS...
- At 5:30 AM PST Thursday the stage was 5.9 feet.
- Flood stage is 5.7 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 5:30 AM PST Thursday was 6.3 feet.
- Forecast...The river is expected to remain above flood stage
for the next several days while slowly receding.
- http://www.weather.gov/safety/flood
...The Flood Warning continues for the following rivers in
Washington...
White River At R Street Bridge affecting Pierce and King Counties.
.Dam operations to maintain a safe flood pool for area dams could
maintain elevated flow levels or they could raise or lower levels
downstream of the dams. Dam regulation can change rapidly.
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...White River at R Street Bridge.
* WHEN...Until further notice.
* IMPACTS...At 10,000.0 cfs, River flooding may occur upstream of
the A Street Bridge in the City of Auburn. River levels will
likely be up against the temporary flood protection barriers, with
flooding likely at Government Canal and Butte Avenue in the City
of Pacific and downstream of the Stewart Street Bridge in the City
of Sumner.
* ADDITIONAL DETAILS...
- At 4:45 AM PST Thursday the flow was 7,570.0 cfs.
- Flood flow is 7,500.0 cfs.
- Recent Activity...The maximum river flow in the 24 hours
ending at 4:45 AM PST Thursday was 8,340.0 cfs.
- Forecast...The river is expected to stay steady or slowly
rise to 8500 cfs Friday morning, remaining above flood flow.
Additional rises are likely thereafter but the timing is yet
to be determined.
- http://www.weather.gov/safety/flood
Most rivers have crested or will crest by tomorrow, however a few
rivers could still have renewed flooding.
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of northwest and west central Washington,
including the following counties, in northwest Washington, Grays
Harbor. In west central Washington, King, Pierce and Thurston.
* WHEN...Through Friday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas. Storm drains and ditches may
become clogged with debris. Area creeks and streams are running
high and could flood with more heavy rain.
* ADDITIONAL DETAILS...
- With rivers running high and with another rain event
tomorrow, uncertainty in how much rain, the snow fall level,
and snow melt, leaves the possibility of further flooding.
This includes the Chehalis, Cedar, White, Green, and Skagit
Rivers.
- Dam operations in managin the flood waters in reservoir
will also river levels multiple times over the next few days.
- http://www.weather.gov/safety/flood
